show fields in gridview using linq query

using System.Collections.Generic;
using System.Linq;
class program
{
    static void Main(string[] args)
    {
        List<city> lstCity = new List<city>();
        List<training> lstTraining = new List<training>();
        lstCity.Add(new City() { cityid = 1, city_name = "tamilnadu" });
        lstCity.Add(new City() { cityid = 2, city_name = "karanataka" });
        lstTraining.Add(new Training() { training_name = "c#", cityid = 1 });
        lstTraining.Add(new Training() { training_name = "java", cityid = 1 });


       var data =  lstTraining.Join(lstCity, (k => k.cityid), (k => k.cityid), (t, c) => new { t, c }).Select(k => new
        {
            TraingName = k.t.training_name,
            CityName = k.c.city_name
        }).ToList();
    
    }
}

public class City
{
    public int cityid { get; set; }
    public string city_name { get; set; }
}
public class Training
{
    public int trainingid { get; set; }
    public string training_name { get; set; }
    public int cityid { get; set; }
     
}</training></training></city></city>